<div class="container bg-contrast popup-wrapper p-0">
    <div class="row align-items-center">
        <div class="col-md-6 pl-md-0"><img src="https://picsum.photos/800/600/?gravity=east" alt="..." class="img-responsive mb-md-0 mb-4"></div>
        <div class="col-md-6">
            <h2>This is just block of HTML, loaded via ajax</h2>
            <p>You can put absolutely any HTML here and resize it dynamically just with help of CSS.</p>
        </div>
    </div>
</div>